package homework.apiday06.exception2;

public class FinallyDemo {
    public static void main(String[] args) {
        System.out.println("程序开始了");
        try {
            //String str = null;
            String str = "abc";
            System.out.println(str.length());
            return;
        } catch (NullPointerException e) {
            System.out.println("出错了");
        } finally {
            System.out.println("finally中的代码执行了");
        }
        System.out.println("程序结束了");

    }
}
